RaySollium99/picodrive
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1522 commits 3 branches 6 tags 15 MiB
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58 commits

Author SHA1 Message Date
kub
55615f9c97 sms, set non-TMR images to region Japan 2021-11-15 21:26:49 +01:00
kub
d5908845f5 sms, no nmi generation for start button on gg 2021-11-12 19:43:02 +01:00
kub
ace184013b core+gp2x+psp, fix handling mid-frame palette changes 2021-11-10 23:32:40 +01:00
kub
5b8ff611e0 sms, fix gg always zeroing ram 2021-11-08 19:36:05 +01:00
kub
6cba1ee700 sms, set to mark iii according to tmr info 2021-11-08 18:56:49 +01:00
kub
1ce2b0923c sms vdp, separate SAT parsing 2021-11-06 21:00:55 +01:00
kub
afdc2ed454 sms, autodetect for 50Hz 2021-11-02 22:44:40 +01:00
kub
7eeb85beb6 sms, improve cycle counting, fix vcounter for 224/240 lines 2021-10-29 22:09:15 +02:00
kub
f9ea940fb5 sms, improved mapper support (more, menu option) 2021-10-28 21:52:44 +02:00
kub
1cdc3f8416 sms, some cleanup 2021-10-26 23:35:42 +02:00
kub
1bb3f2cc8d sms, fix pad TH, some BIOS init, korean 32k mapper 2021-10-25 19:44:44 +02:00
kub
1603058a88 sms, minor fixes (vdp mode switch, zram init) 2021-10-24 22:51:16 +02:00
kub
1c70532fc2 sms, improve compatibility (vdp reset init, pad TH/TR) 2021-10-24 12:39:29 +02:00
kub
985bbf1c03 sms, fix irq cleared in same instruction as asserted 2021-10-23 15:10:12 +02:00
kub
1c120817fe sms, improve save/load + gg compatibility 2021-10-23 12:14:46 +02:00
kub
027940e108 sound, remove hysteresis (lessens distortion, increases frequency limit) 2021-10-23 12:10:00 +02:00
kub
1ffc8b84f1 sms, revisit FM settings 
setting moved to SMS section, default off since it crashes some games
 2021-10-21 20:45:43 +02:00
kub
d0cb6cfa57 sms, minor fixes 2021-10-21 20:45:43 +02:00
kub
8ba60e3172 sms, memory mapping changes 
especially most korean games work with this
 2021-10-20 21:02:52 +02:00
kub
280bfc3ca7 sms, add system select option 2021-10-19 23:24:06 +02:00
kub
cc1547e8cd sms, improve vdp (sprite collision, hcounter latch) 2021-10-18 23:07:50 +02:00
kub
e4da4fe8b9 sms, improve vdp (read buffer, h counter) 2021-10-17 22:47:18 +02:00
kub
c644ce99cd sms, fix core timing 2021-10-17 22:46:12 +02:00
kub
14cd01be51 sms, improve gg detection (zip, rom header) 2021-10-15 19:22:01 +02:00
kub
466fa07953 sms, basic gamegear support 2021-10-14 23:08:17 +02:00
kub
0df7401c02 sms vdp, add zoomed sprites, column vscroll blocking, mode 2 graphics 2021-10-08 20:24:33 +02:00
kub
032c76a3a2 sms, memory mapping improvements 2021-10-08 19:34:15 +02:00
kub
4b3e9d92e3 sms vdp, support 224/240 line mode 2021-10-06 19:45:37 +02:00
kub
3758124cb8 sms vdp, support 224/240 line mode 2021-10-04 18:03:49 +02:00
kub
b784d4a5f7 sms, improve ROM bank mapping, add some SRAM support 2021-10-03 23:59:09 +02:00
kub
15caa286fc sound, increase resolution for calculating psg sound 2021-10-02 21:31:51 +02:00
kub
57c5a5e505 add big endian platform support 2021-02-22 22:27:51 +01:00
kub
81d54be15d audio, improve YM2413 handling 2020-09-25 21:22:40 +02:00
hiroshica
a2f24bfa7b adding ym2413 
squashed commits:
YM2413追加中
一通り実装したけどポートへの書き込み方が不明でまだ音が出ない
細かい修正（未テスト）
resetで初期化されるのをなんとかしたい
sound 初期化と終了を追加してみた
SN76496を参考にYM2413のアップデート方法を変更してみた
stereoフラグをアップデートサイズに変更
処理順番を整理したら音が出た
stateセーブに対応してみた
addition: Support for the Japanese Mark-III extended FM sound source unit
 2020-07-28 22:04:32 +02:00
kub
70aecd15b0 audio: SN76496 fixes 2020-04-24 19:08:49 +02:00
kub
09b96f9940 audio: improve cycle accuracy of SN76496+YM2612 2020-04-22 21:49:48 +02:00
kub
8ac9ab7fcb audio: added SSG-EG to YM2612, plus some timing changes for SN76496+YM2612 2020-01-08 00:49:13 +01:00
kub
32feba7458 minor changes 2019-07-30 16:34:40 +02:00
notaz
cf83610baa sms: improve irq handling 2018-01-27 19:41:57 +02:00
notaz
6311a3baf5 move more globals to PicoInterface 
similar reasons as before
 2017-10-22 02:13:46 +03:00
notaz
075672bf9f sms: do psg like md does 2017-10-22 02:13:36 +03:00
notaz
93f9619ed8 rearrange globals 
scripted find/replace
gives slightly better code on ARM, less unnecessary asm,
~400 bytes saved
 2017-10-20 12:21:09 +03:00
notaz
1c25c32c11 sms: improve sr a bit 2017-10-17 00:53:35 +03:00
notaz
88fd63ad10 split memories away from Pico 
saves ~3k of code on ARM because Pico no longer crosses ldr limit
 2017-10-14 00:53:08 +03:00
notaz
4f2cdbf551 clean up dac code a bit 2017-10-07 01:36:59 +03:00
notaz
835122bc0c sms: add pause support 2013-08-31 20:35:52 +03:00
notaz
cff531af94 clarify PicoDrive's license 
- PicoDrive was originally released by fDave with simple
  "free for non-commercial use / For commercial use, separate licencing
  terms must be obtained" license and I kept it in my releases.
- in 2011, fDave re-released his code (same that I used as base
  many years ago) dual licensed with GPLv2 and MAME licenses:
    https://code.google.com/p/cyclone68000/

Based on the above I now proclaim that the whole source code is licensed
under the MAME license as more elaborate form of "for non-commercial use".
If that raises any doubt, I announce that all my modifications (which
is the vast majority of code by now) is licensed under the MAME license,
as it reads in COPYING file in this commit.

This does not affect ym2612.c/sn76496.c that were MAME licensed already
from the beginning.
 2013-06-26 03:07:07 +03:00
notaz
03065bb617 sms: some bugfixes 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@870 be3aeb3a-fb24-0410-a615-afba39da0efa
 2010-02-11 14:04:14 +00:00
notaz
b4db550e41 32x and sms savestates. Core-independent z80 state. SS bugfixing/refactoring. 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@868 be3aeb3a-fb24-0410-a615-afba39da0efa
 2010-01-27 16:30:41 +00:00
notaz
b8a1c09ad1 port to 64bit. Some gcc 4.4 warning fixes 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@835 be3aeb3a-fb24-0410-a615-afba39da0efa
 2009-12-06 17:03:58 +00:00